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Flash Video is the name of a file format which is used to spread video files via the Internet using Adobe Flash Player (formerly called Macromedia Flash Player). Until version 9 update 2 of the Flash Player, Flash Video referred to a certain video format, with the extension FLV. The most recent public release of Flash Player supports H.264 video and HE-AAC audio. Flash Video data may also be embedded within SWF files. Worldwide users of the Flash Video format including YouTube, Google Video, Reuters.com, Yahoo! Video, and many TV news operations are also using Flash Video on their websites. Get flv to dvd software from SoftPedia!

Flash Video is viewable on most operating systems, via the widely available Adobe Flash Player and web browser plugin, or one of several third-party programs such as MPlayer, VLC media player, Quicktime, or any player which uses DirectShow filters (such as Media Player Classic, Windows Media Player, and Windows Media Center) when the ffdshow filter is installed. Topviewsoft is the leading provider of FLV video players.

Though the container format itself is open, the codecs used with it are patented. You should be authorized to use FLV codecs. Solid FLV to DVD Converter and Burner integrates the efficiency FLV codecs developed by Topviewsoft Inc.

Format details

Commonly, Flash Video files contain video bit streams which are a variant of the H.263 video standard, under the name of Sorenson Spark. Flash Player 8 and later revisions support the playback of On2 TrueMotion VP6 video bit streams. On2 VP6 can provide a higher visual quality than Sorenson Spark, especially when using lower bit rates. On the other hand it is computationally more complex and therefore will not run as well on certain older system configurations. Flash Player 9 Update 3 includes support for H.264 video standard (also known as MPEG-4 part 10, or AVC) which is even more computationally demanding, but offers much better quality/bitrate ratio.

The Flash Video file format supports two versions of a so called 'screenshare' codec which is an encoding format designed for screencasts. Both these formats are bitmap tile based, can be lossy by reducing color depths and are compressed using zlib. The second version is only playable in Flash Player 8 and later.